664762930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{124721}}^1$

素因数の和:124782

約数の個数: 32

約数和(自身を含む): 1320057648

約数和(自身を除く): 655294718

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 124721, 249442, 623605, 1247210, 1621373, 3242746, 5113561, 8106865, 10227122, 16213730, 25567805, 51135610, 66476293, 132952586, 332381465, 664762930]

約数ペア:

[(1, 664762930), (2, 332381465), (5, 132952586), (10, 66476293), (13, 51135610), (26, 25567805), (41, 16213730), (65, 10227122), (82, 8106865), (130, 5113561), (205, 3242746), (410, 1621373), (533, 1247210), (1066, 623605), (2665, 249442), (5330, 124721)]